51120

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{71}}^1$

素因数の和:90

約数の個数: 60

約数和(自身を含む): 174096

約数和(自身を除く): 122976

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 71, 72, 80, 90, 120, 142, 144, 180, 213, 240, 284, 355, 360, 426, 568, 639, 710, 720, 852, 1065, 1136, 1278, 1420, 1704, 2130, 2556, 2840, 3195, 3408, 4260, 5112, 5680, 6390, 8520, 10224, 12780, 17040, 25560, 51120]

約数ペア:

[(1, 51120), (2, 25560), (3, 17040), (4, 12780), (5, 10224), (6, 8520), (8, 6390), (9, 5680), (10, 5112), (12, 4260), (15, 3408), (16, 3195), (18, 2840), (20, 2556), (24, 2130), (30, 1704), (36, 1420), (40, 1278), (45, 1136), (48, 1065), (60, 852), (71, 720), (72, 710), (80, 639), (90, 568), (120, 426), (142, 360), (144, 355), (180, 284), (213, 240)]